| 1 | 'use strict'
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| 2 |
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| 3 | import engineFactory from '../src/index'
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| 4 | import sinon from 'sinon'
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| 5 |
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| 6 | describe('Engine: run', () => {
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| 7 | let engine, rule, rule2
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| 8 |
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| 9 | let event = { type: 'generic' }
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| 10 | let condition21 = {
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| 11 | any: [{
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| 12 | fact: 'age',
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| 13 | operator: 'greaterThanInclusive',
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| 14 | value: 21
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| 15 | }]
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| 16 | }
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| 17 | let condition75 = {
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| 18 | any: [{
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| 19 | fact: 'age',
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| 20 | operator: 'greaterThanInclusive',
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| 21 | value: 75
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| 22 | }]
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| 23 | }
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| 24 | let eventSpy = sinon.spy()
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| 25 |
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| 26 | beforeEach(() => {
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| 27 | eventSpy.reset()
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| 28 | engine = engineFactory()
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| 29 | rule = factories.rule({ conditions: condition21, event })
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| 30 | engine.addRule(rule)
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| 31 | rule2 = factories.rule({ conditions: condition75, event })
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| 32 | engine.addRule(rule2)
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| 33 | engine.on('success', eventSpy)
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| 34 | })
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| 35 |
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| 36 | describe('independent runs', () => {
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| 37 | it('treats each run() independently', async () => {
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| 38 | await Promise.all([50, 10, 12, 30, 14, 15, 25].map((age) => engine.run({age})))
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| 39 | expect(eventSpy).to.have.been.calledThrice()
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| 40 | })
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| 41 |
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| 42 | it('allows runtime facts to override engine facts for a single run()', async () => {
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| 43 | engine.addFact('age', 30)
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| 44 |
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| 45 | await engine.run({ age: 85 })
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| 46 | expect(eventSpy).to.have.been.calledTwice()
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| 47 |
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| 48 | eventSpy.reset()
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| 49 | await engine.run()
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| 50 | expect(eventSpy).to.have.been.calledOnce()
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| 51 |
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| 52 | eventSpy.reset()
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| 53 | await engine.run({ age: 2 })
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| 54 | expect(eventSpy.callCount).to.equal(0)
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| 55 | })
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| 56 | })
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| 57 |
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| 58 | describe('returns', () => {
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| 59 | it('activated events', () => {
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| 60 | return engine.run({age: 30}).then(results => {
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| 61 | expect(results.length).to.equal(1)
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| 62 | expect(results).to.deep.include(rule.event)
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| 63 | })
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| 64 | })
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| 65 |
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| 66 | it('multiple activated events', () => {
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| 67 | return engine.run({age: 90}).then(results => {
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| 68 | expect(results.length).to.equal(2)
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| 69 | expect(results).to.deep.include(rule.event)
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| 70 | expect(results).to.deep.include(rule2.event)
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| 71 | })
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| 72 | })
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| 73 |
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| 74 | it('does not include unactived triggers', () => {
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| 75 | return engine.run({age: 10}).then(results => {
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| 76 | expect(results.length).to.equal(0)
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| 77 | })
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| 78 | })
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| 79 | })
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| 80 | })
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